# FadeInAlarm vs AtCoder Alarm

The clearest difference is in-app purchases: AtCoder Alarm at none against FadeInAlarm's 1. AtCoder Alarm also leads on update cadence (daily vs every 7 months). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. FadeInAlarm sells 1 one-off in-app purchase. AtCoder Alarm asks for nothing beyond the download.

FadeInAlarm ships an update every 7 months, AtCoder Alarm daily. The most recent releases landed on June 1, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | FadeInAlarm | AtCoder Alarm |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 7 months | **Daily** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 4 MB | 27 MB |
| Requires iOS | 16.0 | **15.5** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ryo Yamashita](https://appshunter.io/developer/1347562710) | [Kiichi Ito](https://appshunter.io/developer/1505735244) |

## What reviewers say

### FadeInAlarm

[App page](https://appshunter.io/ios/app/fadeinalarm/id1465336070)

Wake up gently with an alarm that gradually increases volume over a customizable period. Import your own audio files and set specific fade-in and fade-out times for a more pleasant morning.

**Highlights:** Customizable fade-in times (up to 1 hour), Customizable fade-out times, Adjustable volume while waiting, Import custom audio files (MP3), App must be launched beforehand

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hide AD banner | $0.99 | one-time |


### AtCoder Alarm

[App page](https://appshunter.io/ios/app/atcoder-alarm/id1671964226)

This alarm clock requires users to solve a simple programming problem to turn it off. Problems are randomly selected from past AtCoder "A" tasks. Ensure you wake up on time with this unique challenge.

**Highlights:** Solve programming problems to stop alarm, Random AtCoder "A" task selection, Ensures waking up, Requires AtCoder pre-registration

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is FadeInAlarm free?

FadeInAlarm is free to download, with in-app purchases available.

### Is AtCoder Alarm free?

AtCoder Alarm is free to download, with no in-app purchases.

### Do FadeInAlarm or AtCoder Alarm have ads?

Neither FadeInAlarm nor AtCoder Alarm shows ads.

### Which is updated more often, FadeInAlarm or AtCoder Alarm?

FadeInAlarm ships an update every 7 months, and AtCoder Alarm daily. Most recently, FadeInAlarm was updated on June 1, 2026 and AtCoder Alarm on September 6, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*